ZIP Code 98031
ZIP Code Tabulation Area in King County, Washington.
- Population
- 40,898
- Median household income
- $101,458
- Median home value
- $552,300
+8.1%’19–’23
+21.8%’19–’23
+55.4%’19–’23
ZIP Code 98031 (King County, Washington) is home to about 40,898 residents. Its median household income of $101,458 runs below the King County figure of $122,148.
From 2019 to 2023, ZIP Code 98031's population grew 8.1% from 37,850 to 40,898, while its median gross rent rose 40.1% from $1,396 to $1,956.
67.1% of homes are single-family detached houses. The typical home was built around 1983.
Demographics
ACS 2019–2023- Population
- 40,898
- Median age
- 36.8 yrs
- Median household income
- $101,458
- Median home value
- $552,300
- Median gross rent
- $1,956
- Housing units
- 14,342
- Homeownership rate
- 67.1%
- Bachelor's degree or higher
- 30.4%
- Unemployment rate
- 7.2%
Trends
ACS 5-year · 2019–202337,85040,898
$83,324$101,458
$355,400$552,300
$1,396$1,956
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 37,850 | $83,324 | $355,400 | $1,396 |
| 2020 | 38,163 | $82,241 | $398,900 | $1,467 |
| 2021 | 41,464 | $89,882 | $434,800 | $1,654 |
| 2022 | 41,615 | $98,657 | $494,400 | $1,882 |
| 2023 | 40,898 | $101,458 | $552,300 | $1,956 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 56.3%
5 to 1717.5%
18 to 247.4%
25 to 3416.1%
35 to 4413.7%
45 to 5412.5%
55 to 6414.3%
65 to 747.7%
75 and over4.4%
| Count | Share | |
|---|---|---|
| Under 5 | 2,571 | 6.3% |
| 5 to 17 | 7,174 | 17.5% |
| 18 to 24 | 3,044 | 7.4% |
| 25 to 34 | 6,605 | 16.1% |
| 35 to 44 | 5,594 | 13.7% |
| 45 to 54 | 5,108 | 12.5% |
| 55 to 64 | 5,851 | 14.3% |
| 65 to 74 | 3,141 | 7.7% |
| 75 and over | 1,810 | 4.4% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 14,572 | 35.6% |
| Black or African American | 5,292 | 12.9% |
| American Indian & Alaska Native | 328 | 0.8% |
| Asian | 10,913 | 26.7% |
| Native Hawaiian & Pacific Islander | 497 | 1.2% |
| Some other race | 142 | 0.3% |
| Two or more races | 3,883 | 9.5% |
| Hispanic or Latino (any race) | 5,271 | 12.9% |
Educational attainment (age 25+)
No high school diploma11.2%
High school graduate23.8%
Some college or associate's34.7%
Bachelor's degree22.0%
Graduate or professional degree8.4%
| Count | Share | |
|---|---|---|
| No high school diploma | 3,139 | 11.2% |
| High school graduate | 6,678 | 23.8% |
| Some college or associate's | 9,748 | 34.7% |
| Bachelor's degree | 6,172 | 22.0% |
| Graduate or professional degree | 2,372 | 8.4% |
Commute to work
- Mean travel time to work
- 31 min
Drove alone72.4%
Carpooled9.1%
Public transit3.4%
Walked1.0%
Bicycle0.0%
Worked from home13.0%
Other means1.1%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 14,726 | 72.4% |
| Carpooled | 1,847 | 9.1% |
| Public transit | 699 | 3.4% |
| Walked | 200 | 1.0% |
| Bicycle | 6 | 0.0% |
| Worked from home | 2,646 | 13.0% |
| Other means | 222 | 1.1% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 2,842 | 16.1% |
| 15 to 29 min | 6,168 | 34.8% |
| 30 to 44 min | 4,777 | 27.0% |
| 45 to 59 min | 1,802 | 10.2% |
| 60+ min | 2,111 | 11.9% |
Households
- Average household size
- 2.91
- Poverty rate
- 10.6% (4,307 of 40,563)
| Count | Share | |
|---|---|---|
| Family households | 9,959 | 71.6% |
| Nonfamily households | 3,941 | 28.4% |
Housing
- Median year structure built
- 1983
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 13,900 | 96.9% |
| Vacant | 442 | 3.1% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 9,322 | 67.1% |
| Renter-occupied | 4,578 | 32.9% |
1-unit, detached67.1%
1-unit, attached3.7%
2 to 4 units4.6%
5 to 19 units15.8%
20 or more units4.9%
Mobile home & other3.9%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 9,621 | 67.1% |
| 1-unit, attached | 535 | 3.7% |
| 2 to 4 units | 653 | 4.6% |
| 5 to 19 units | 2,271 | 15.8% |
| 20 or more units | 704 | 4.9% |
| Mobile home & other | 558 | 3.9% |
Geography
- ZCTA
- 98031
- Land area
- 7.73 sq mi
- Water area
- 0.12 sq mi
- Center point
- 47.4059, -122.1919
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)